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CWE-295

1,445 CVEs • Abstraction: Base

Improper Certificate Validation

The product does not validate, or incorrectly validates, a certificate.

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CVEs (1,445)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Ibm
1I
Jun 17, 2026
May 7, 2025
N/A· v4
5.4 MEDIUM· v3
N/A· v2
IBM i 7.2, 7.3, 7.4, 7.5, and 7.6 is vulnerable to authentication and authorization attacks due to incorrect validation processing in IBM i Netserver. A malicious actor could use the weaknesses, in conjunction with brut...Show more
IBM i 7.2, 7.3, 7.4, 7.5, and 7.6 is vulnerable to authentication and authorization attacks due to incorrect validation processing in IBM i Netserver. A malicious actor could use the weaknesses, in conjunction with brute force authentication attacks or to bypass authority restrictions, to access the server.Show less
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Jun 17, 2026
May 6, 2025
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Improper certificate validation in Logstash's TCP output could lead to a man-in-the-middle (MitM) attack in “client” mode, as hostname verification in TCP output was not being performed when the ssl_verification_mode =>...Show more
Improper certificate validation in Logstash's TCP output could lead to a man-in-the-middle (MitM) attack in “client” mode, as hostname verification in TCP output was not being performed when the ssl_verification_mode => full was set.Show less
1Mediatek
3Nr16
Nr17Nr17r
Jun 17, 2026
May 5, 2025
N/A· v4
5.7 MEDIUM· v3
N/A· v2
In Modem, there is a possible permission bypass due to improper certificate validation. This could lead to remote information disclosure, if a UE has connected to a rogue base station controlled by the attacker, with Use...Show more
In Modem, there is a possible permission bypass due to improper certificate validation. This could lead to remote information disclosure, if a UE has connected to a rogue base station controlled by the attacker, with User execution privileges needed. User interaction is needed for exploitation. Patch ID: MOLY01334347; Issue ID: MSV-2772.Show less
2Apache
Netapp
2Httpclient
Ontap Tools
Jun 17, 2026
Apr 24, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
A bug in PSL validation logic in Apache HttpClient 5.4.x disables domain checks, affecting cookie management and host name verification. Discovered by the Apache HttpClient team. Fixed in the 5.4.3 release
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Jun 17, 2026
Apr 23, 2025
N/A· v4
8.1 HIGH· v3
N/A· v2
BYD QIN PLUS DM-i Dilink OS v3.0_13.1.7.2204050.1 to v3.0_13.1.7.2312290.1_0 was discovered to cend broadcasts to the manufacturer's cloud server unencrypted, allowing attackers to execute a man-in-the-middle attack.
1Dell
2Elastic Cloud Storage
Objectscale
Jun 17, 2026
Apr 17, 2025
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Dell ECS version 3.8.1.4 and prior contain an Improper Certificate Validation vulnerability. An unauthenticated attacker with adjacent network access could potentially exploit this vulnerability, leading to Information d...Show more
Dell ECS version 3.8.1.4 and prior contain an Improper Certificate Validation vulnerability. An unauthenticated attacker with adjacent network access could potentially exploit this vulnerability, leading to Information disclosure.Show less
1Hcltech
1Bigfix Platform
Jun 17, 2026
Apr 15, 2025
2.1 LOW· v4
8.1 HIGH· v3
N/A· v2
HCL BigFix Web Reports' service communicates over HTTPS but exhibits a weakness in its handling of SSL certificate validation. This scenario presents a possibility of man-in-the-middle (MITM) attacks and data exposure as...Show more
HCL BigFix Web Reports' service communicates over HTTPS but exhibits a weakness in its handling of SSL certificate validation. This scenario presents a possibility of man-in-the-middle (MITM) attacks and data exposure as, if exploited, this vulnerability could potentially lead to unauthorized access.Show less
1Ivanti
1Endpoint Manager
Jun 17, 2026
Apr 8, 2025
N/A· v4
4.8 MEDIUM· v3
N/A· v2
Improper certificate validation in Ivanti Endpoint Manager before version 2024 SU1 or before version 2022 SU7 allows a remote unauthenticated attacker to intercept limited traffic between clients and servers.
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Jun 17, 2026
Apr 8, 2025
5.4 MEDIUM· v4
6.7 MEDIUM· v3
N/A· v2
A vulnerability has been identified in Siemens License Server (SLS) (All versions < V4.3). The affected application does not properly restrict permissions of the users. This could allow a lowly-privileged attacker to esc...Show more
A vulnerability has been identified in Siemens License Server (SLS) (All versions < V4.3). The affected application does not properly restrict permissions of the users. This could allow a lowly-privileged attacker to escalate their privileges.Show less
1Libreoffice
1Libreoffice
Jun 17, 2026
Mar 21, 2025
5.2 MEDIUM· v4
5.5 MEDIUM· v3
N/A· v2
An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to self sign an ODF document, with a signature untrusted by the target, then modify it to change the signature algorithm to an invali...Show more
An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to self sign an ODF document, with a signature untrusted by the target, then modify it to change the signature algorithm to an invalid (or unknown to LibreOffice) algorithm and LibreOffice would incorrectly present such a signature with an unknown algorithm as a valid signature issued by a trusted person This issue affects LibreOffice: from 7.0 before 7.0.5, from 7.1 before 7.1.1.Show less
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Jun 17, 2026
Mar 20, 2025
N/A· v4
5.9 MEDIUM· v3
N/A· v2
HCL Digital Experience components Ring API and dxclient may be vulnerable to man-in-the-middle (MitM) attacks prior to 9.5 CF226. An attacker could intercept and potentially alter communication between two parties.
1Synology
2Beestation Os
Diskstation Manager
Jun 17, 2026
Mar 19, 2025
N/A· v4
5.3 MEDIUM· v3
N/A· v2
Improper certificate validation vulnerability in the update functionality in Synology BeeStation OS (BSM) before 1.1-65374 and Synology DiskStation Manager (DSM) before 6.2.4-25556-8, 7.1.1-42962-7, 7.2-64570-4, 7.2.1-69...Show more
Improper certificate validation vulnerability in the update functionality in Synology BeeStation OS (BSM) before 1.1-65374 and Synology DiskStation Manager (DSM) before 6.2.4-25556-8, 7.1.1-42962-7, 7.2-64570-4, 7.2.1-69057-6 and 7.2.2-72806-1 allow remote attackers to write limited files via unspecified vectors.Show less
1Synology
1Diskstation Manager
Jun 17, 2026
Mar 19, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
Improper certificate validation vulnerability in the LDAP utilities in Synology DiskStation Manager (DSM) before 7.1.1-42962-8, 7.2.1-69057-7 and 7.2.2-72806-3 allows man-in-the-middle attackers to hijack the authenticat...Show more
Improper certificate validation vulnerability in the LDAP utilities in Synology DiskStation Manager (DSM) before 7.1.1-42962-8, 7.2.1-69057-7 and 7.2.2-72806-3 allows man-in-the-middle attackers to hijack the authentication of administrators via unspecified vectors.Show less
1Fortinet
1Fortinac F
Jun 17, 2026
Mar 14, 2025
N/A· v4
4.8 MEDIUM· v3
N/A· v2
An improper certificate validation vulnerability [CWE-295] in FortiNAC-F version 7.2.4 and below may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the HTTPS communication channel be...Show more
An improper certificate validation vulnerability [CWE-295] in FortiNAC-F version 7.2.4 and below may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the HTTPS communication channel between the FortiOS device, an inventory, and FortiNAC-F.Show less
1Fortinet
1Fortiportal
Jun 17, 2026
Mar 14, 2025
N/A· v4
4.8 MEDIUM· v3
N/A· v2
An improper certificate validation vulnerability [CWE-295] in FortiPortal version 7.4.0, version 7.2.4 and below, version 7.0.8 and below, version 6.0.15 and below when connecting to a FortiManager device, a FortiAnalyze...Show more
An improper certificate validation vulnerability [CWE-295] in FortiPortal version 7.4.0, version 7.2.4 and below, version 7.0.8 and below, version 6.0.15 and below when connecting to a FortiManager device, a FortiAnalyzer device, or an SMTP server may allow an unauthenticated attacker in a Man-in-the-Middle position to intercept on and tamper with the encrypted communication channel established between the FortiPortal and those endpoints.Show less
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Jun 17, 2026
Mar 10, 2025
N/A· v4
7.2 HIGH· v3
N/A· v2
Improper Certificate Validation (CWE-295) in the Gallagher Milestone Integration Plugin (MIP) permits unauthenticated messages (e.g. alarm events) to be sent to the Plugin. This issue effects Gallagher MIPS Plugin v4.0 p...Show more
Improper Certificate Validation (CWE-295) in the Gallagher Milestone Integration Plugin (MIP) permits unauthenticated messages (e.g. alarm events) to be sent to the Plugin. This issue effects Gallagher MIPS Plugin v4.0 prior to v4.0.32, all versions of v3.0 and prior.Show less
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Jun 17, 2026
Mar 10, 2025
N/A· v4
8.7 HIGH· v3
N/A· v2
Improper Certificate Validation (CWE-295) in the Gallagher Command Centre SALTO integration allowed an attacker to spoof the SALTO server. This issue affects all versions of Gallagher Command Centre prior to 9.20.10...Show more
Improper Certificate Validation (CWE-295) in the Gallagher Command Centre SALTO integration allowed an attacker to spoof the SALTO server. This issue affects all versions of Gallagher Command Centre prior to 9.20.1043.Show less
1Qnap
1Helpdesk
Jun 17, 2026
Mar 7, 2025
7.7 HIGH· v4
8.8 HIGH· v3
N/A· v2
An improper certificate validation vulnerability has been reported to affect Helpdesk. If exploited, the vulnerability could allow remote attackers to compromise the security of the system. We have already fixed the vul...Show more
An improper certificate validation vulnerability has been reported to affect Helpdesk. If exploited, the vulnerability could allow remote attackers to compromise the security of the system. We have already fixed the vulnerability in the following version: Helpdesk 3.3.3 and laterShow less
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Jun 17, 2026
Mar 1, 2025
N/A· v4
6.4 MEDIUM· v3
N/A· v2
An Improper Certificate Validation vulnerability could allow an authenticated malicious actor with access to UniFi Protect Cameras adjacent network to make unsupported changes to the camera system.
1Draytek
20Vigor165 Firmware
Vigor166 FirmwareVigor2133 Firmware+17 more
Jul 5, 2026
Feb 27, 2025
N/A· v4
8.8 HIGH· v3
N/A· v2
Draytek devices Vigor 165/166 prior to v4.2.6 , Vigor 2620/LTE200 prior to v3.9.8.8, Vigor 2860/2925 prior to v3.9.7, Vigor 2862/2926 prior to v3.9.9.4, Vigor 2133/2762/2832 prior to v3.9.8, Vigor 2135/2765/2766 prior to...Show more
Draytek devices Vigor 165/166 prior to v4.2.6 , Vigor 2620/LTE200 prior to v3.9.8.8, Vigor 2860/2925 prior to v3.9.7, Vigor 2862/2926 prior to v3.9.9.4, Vigor 2133/2762/2832 prior to v3.9.8, Vigor 2135/2765/2766 prior to v4.4.5.1, Vigor 2865/2866/2927 prior to v4.4.5.3, Vigor 2962/3910 prior to v4.3.2.7, Vigor 3912 prior to v4.3.5.2, and Vigor 2925 up to v3.9.6 were discovered to not utilize certificate verification, allowing attackers to upload crafted APPE modules from non-official servers, leading to arbitrary code execution.Show less